Move creation and ownership of DownloadManager from the embedder to content. This matches all the o…

chrome/browser/browsing_data_remover.cc

Index: chrome/browser/browsing_data_remover.cc
===================================================================
--- chrome/browser/browsing_data_remover.cc	(revision 140592)
+++ chrome/browser/browsing_data_remover.cc	(working copy)
@@ -265,7 +265,7 @@
   if (remove_mask & REMOVE_DOWNLOADS) {
     content::RecordAction(UserMetricsAction("ClearBrowsingData_Downloads"));
     DownloadManager* download_manager =
-        DownloadServiceFactory::GetForProfile(profile_)->GetDownloadManager();
+        BrowserContext::GetDownloadManager(profile_);
     download_manager->RemoveDownloadsBetween(delete_begin_, delete_end_);
     download_manager->ClearLastDownloadPath();
   }